EASY
12th Maharashtra Board
IMPORTANT
Earn 100

Difference between potentiometer and voltmeter

Important Questions on Current Electricity

MEDIUM
12th Maharashtra Board
IMPORTANT
Physics Standard 12>Chapter 9 - Current Electricity>Exercises>Q 2

What will be the effect on the position of zero deflection if only the current flowing through the potentiometer wire is increased?

MEDIUM
12th Maharashtra Board
IMPORTANT
Physics Standard 12>Chapter 9 - Current Electricity>Exercises>Q 2
What will be the effect on the position of zero deflection if only the current flowing through the potentiometer wire is decreased?
HARD
12th Maharashtra Board
IMPORTANT
Physics Standard 12>Chapter 9 - Current Electricity>Exercises>Q 3
Obtain balancing condition in case of Wheatstone's network.
MEDIUM
12th Maharashtra Board
IMPORTANT
Physics Standard 12>Chapter 9 - Current Electricity>Exercises>Q 4
Explain with neat circuit diagram, how will you determine the unknown resistance by using a meter-bridge.
HARD
12th Maharashtra Board
IMPORTANT
Physics Standard 12>Chapter 9 - Current Electricity>Exercises>Q 5
Describe Kelvin's method to determine the resistance of galvanometer by using meter-bridge.
HARD
12th Maharashtra Board
IMPORTANT
Physics Standard 12>Chapter 9 - Current Electricity>Exercises>Q 6

Describe how a potentiometer is used to compare the emfs of two cells by connecting the cells individually.

HARD
12th Maharashtra Board
IMPORTANT
Physics Standard 12>Chapter 9 - Current Electricity>Exercises>Q 7
Describe how a potentiometer is used to compare the emfs of two cells by combination method.
HARD
12th Maharashtra Board
IMPORTANT
Physics Standard 12>Chapter 9 - Current Electricity>Exercises>Q 8
Describe with the help of a neat circuit diagram how will you determine the internal resistance of a cell by using potentiometer. Derive the necessary formula.